Blackout Defense Muzzle KEYMO Hybrid Black 1/2-28 .223/5.56

We are officially licensed and approved by Dead Air Silencers to incorporate their KeyMo mount design with our muzzle device designs. The KeyMo Hybrid is compatible with Dead Air's KeyMo-equipped silencers. FEATURESIn-house heat treated to condition H900 for a through-hardness of 45-47 HRC17-4 stainless steel that is heat treated to condition H900 exhibits 14% higher ultimate tensile strength over hardened 4140 steelEvery 90Adeg corner is machined with undercut profiles to improve seal and engagement with the suppressor4 jet ports drilled at 51 degrees to direct gas forward and away from the shooter2 jet ports at 12 o'clock, 1 at 4 o'clock and 1 at 8 o'clockRecessed jet ports with a flat face to reduce carbon buildup on the device and improve ease of separation with a suppressorForward-directed gas reduces muzzle rise, softens recoil, and pushes all explosive gasses away from the shooterClosed-prong design reduces flash and eliminates tuning-fork "ping"Shim kit included